Home / 102,101.16-153,109.79-38,944.25

Finding the Fourth Proportional to 102,101.16, 153,109.79 and 38,944.25

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Solution

The fourth proportional to 102,101.16, 153,109.79 and 38,944.25 is: 58,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,101.16 : 153,109.79 = 38,944.25 : x
  2. Step 2: Convert to fraction form
    102,101.16/153,109.79 = 38,944.25/x
  3. Step 3: Cross multiply
    102,101.16x = 153,109.79 × 38,944.25
  4. Step 4: Simplify right side
    102,101.16x = 5,962,745,939.21
  5. Step 5: Solve for x
    x = 5,962,745,939.21/102,101.16
  6. Step 6: Final answer
    x = 58,400.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.